Finding the Fourth Proportional to 134,891.10, 202,336.65 and 108,647.10
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Solution
The fourth proportional to 134,891.10, 202,336.65 and 108,647.10 is: 162,970.65
Step by Step Solution
- Step 1: Write the proportion equation
134,891.10 : 202,336.65 = 108,647.10 : x - Step 2: Convert to fraction form
134,891.10/202,336.65 = 108,647.10/x - Step 3: Cross multiply
134,891.10x = 202,336.65 × 108,647.10 - Step 4: Simplify right side
134,891.10x = 21,983,290,246.22 - Step 5: Solve for x
x = 21,983,290,246.22/134,891.10 - Step 6: Final answer
x = 162,970.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.